Home / 254,855.04-351,703.98-140,138.58

Finding the Fourth Proportional to 254,855.04, 351,703.98 and 140,138.58

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Solution

The fourth proportional to 254,855.04, 351,703.98 and 140,138.58 is: 193,393.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,855.04 : 351,703.98 = 140,138.58 : x
  2. Step 2: Convert to fraction form
    254,855.04/351,703.98 = 140,138.58/x
  3. Step 3: Cross multiply
    254,855.04x = 351,703.98 × 140,138.58
  4. Step 4: Simplify right side
    254,855.04x = 49,287,296,337.55
  5. Step 5: Solve for x
    x = 49,287,296,337.55/254,855.04
  6. Step 6: Final answer
    x = 193,393.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.